This elegant Larry Vasquez Australian opal necklace is titled Butterfly Serene. The 18k yellow and white gold necklace features handmade Australian opal beads, a 36.5ct Coober Pedy opal, and accents of diamonds and blue sapphires.  Measures 18 1/2".  Pendant measures 2 1/8" x 1 7/8".  Back clasp is 1 1/2" in length.